Regex tester
Pattern
Input
f20s30t
Options
Replacement
Click the context tab to see replacements.
1 match found in about 4 milliseconds.
IndexPositionMatched String$1$2
00f20s30tf30t
2 captures
  1. 20s
  2. 30t
f20s30t
  1. empty string
  2. f
  3. 30t
  4. empty string